1
/* -*- mode: c; coding: utf-8; after-save-hook: (lambda () (let* ((find-build-directory (lambda (try-directory &optional base-directory) (let ((base-directory (or base-directory try-directory))) (cond ((equal try-directory "/") base-directory) ((file-readable-p (concat (file-name-as-directory try-directory) "Makefile")) try-directory) ((funcall find-build-directory (directory-file-name (file-name-directory try-directory)) base-directory)))))) (build-directory (funcall find-build-directory (buffer-file-name))) (local-build-directory (if (fboundp 'file-local-name) (file-local-name build-directory) (or (file-remote-p build-directory 'localname) build-directory))) (command (file-relative-name (file-name-sans-extension (buffer-file-name)) build-directory))) (pcase (progn (if (get-buffer "*Test*") (kill-buffer "*Test*")) (process-file-shell-command (let ((qbdir (shell-quote-argument local-build-directory)) (qcmd (shell-quote-argument command))) (format "cd %s && CFLAGS=-Werror make --silent %s && %s --test --verbose" qbdir qcmd qcmd)) nil "*Test*")) (0 (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)))) (_ (with-current-buffer "*Test*" (compilation-mode) (cd-absolute build-directory)) (display-buffer "*Test*" '(display-buffer-in-side-window)))))); -*- */
1
/* -*- coding: utf-8; lexical-binding: t -*- */
3
3
* Mandos password agent - Simple password agent to run Mandos client
5
* Copyright © 2019-2020 Teddy Hogeborn
6
* Copyright © 2019-2020 Björn Påhlsson
5
* Copyright © 2019-2022 Teddy Hogeborn
6
* Copyright © 2019-2022 Björn Påhlsson
8
8
* This file is part of Mandos.
23
23
* Contact the authors at <mandos@recompile.se>.
27
#include <inttypes.h> /* uintmax_t, PRIuMAX, PRIdMAX,
28
intmax_t, uint32_t, SCNx32,
30
#include <stddef.h> /* size_t */
26
#define _GNU_SOURCE /* pipe2(), O_CLOEXEC, setresgid(),
27
setresuid(), asprintf(), getline(),
29
#include <inttypes.h> /* uintmax_t, strtoumax(), PRIuMAX,
30
PRIdMAX, intmax_t, uint32_t,
31
SCNx32, SCNuMAX, SCNxMAX */
32
#include <stddef.h> /* size_t, NULL */
31
33
#include <sys/types.h> /* pid_t, uid_t, gid_t, getuid(),
33
35
#include <stdbool.h> /* bool, true, false */
40
42
NSIG, sigismember(), SA_ONSTACK,
41
43
SIG_DFL, SIG_IGN, SIGINT, SIGQUIT,
42
44
SIGHUP, SIGSTOP, SIG_UNBLOCK */
45
#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
46
fork(), _exit(), dup2(),
47
STDOUT_FILENO, setresgid(),
48
setresuid(), execv(), ssize_t,
49
read(), dup3(), getuid(), dup(),
50
STDERR_FILENO, pause(), write(),
51
rmdir(), unlink(), getpid() */
43
52
#include <stdlib.h> /* EXIT_SUCCESS, EXIT_FAILURE,
44
malloc(), free(), strtoumax(),
45
realloc(), setenv(), calloc(),
46
mkdtemp(), mkostemp() */
53
malloc(), free(), realloc(),
54
setenv(), calloc(), mkdtemp(),
47
56
#include <iso646.h> /* not, or, and, xor */
48
57
#include <error.h> /* error() */
49
58
#include <sysexits.h> /* EX_USAGE, EX_OSERR, EX_OSFILE */
57
66
#include <string.h> /* strdup(), memcpy(),
58
67
explicit_bzero(), memset(),
59
68
strcmp(), strlen(), strncpy(),
60
memcmp(), basename() */
69
memcmp(), basename(), strerror() */
61
70
#include <argz.h> /* argz_create(), argz_count(),
62
71
argz_extract(), argz_next(),
73
82
ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,
74
83
struct argp, argp_parse(),
76
#include <stdint.h> /* SIZE_MAX */
77
#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
78
fork(), _exit(), dup2(),
79
STDOUT_FILENO, setresgid(),
80
setresuid(), execv(), ssize_t,
81
read(), dup3(), getuid(), dup(),
82
STDERR_FILENO, pause(), write(),
83
rmdir(), unlink(), getpid() */
85
#include <stdint.h> /* SIZE_MAX, uint32_t */
84
86
#include <sys/mman.h> /* munlock(), mlock() */
85
87
#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),
86
88
F_GETFD, F_GETFL, FD_CLOEXEC,
110
112
g_assert_null(), g_assert_false(),
111
113
g_assert_cmpint(), g_assert_cmpuint(),
112
114
g_test_skip(), g_assert_cmpstr(),
113
g_test_init(), g_test_add(), g_test_run(),
114
GOptionContext, g_option_context_new(),
115
g_test_message(), g_test_init(), g_test_add(),
116
g_test_run(), GOptionContext,
117
g_option_context_new(),
115
118
g_option_context_set_help_enabled(), FALSE,
116
119
g_option_context_set_ignore_unknown_options(),
117
120
gboolean, GOptionEntry, G_OPTION_ARG_NONE,
1095
1098
} ievent_buffer;
1096
1099
struct inotify_event *const ievent = &ievent_buffer.event;
1101
#if defined(__GNUC__) and __GNUC__ >= 7
1102
#pragma GCC diagnostic push
1103
/* ievent is pointing into a struct which is of sufficient size */
1104
#pragma GCC diagnostic ignored "-Wstringop-overflow"
1098
1106
const ssize_t read_length = read(fd, ievent, ievent_size);
1107
#if defined(__GNUC__) and __GNUC__ >= 7
1108
#pragma GCC diagnostic pop
1099
1110
if(read_length == 0){ /* EOF */
1100
1111
error(0, 0, "Got EOF from inotify fd for directory %s", filename);
1101
1112
*quit_now = true;
1477
1488
if(send_buffer == NULL){
1478
1489
error(0, errno, "Failed to allocate send_buffer");
1491
#if defined(__GNUC__) and __GNUC__ >= 5
1492
#pragma GCC diagnostic push
1493
/* mlock() does not access the memory */
1494
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
1480
1496
if(mlock(send_buffer, send_buffer_length) != 0){
1497
#if defined(__GNUC__) and __GNUC__ >= 5
1498
#pragma GCC diagnostic pop
1481
1500
/* Warn but do not treat as fatal error */
1482
1501
if(errno != EPERM and errno != ENOMEM){
1483
1502
error(0, errno, "Failed to lock memory for password"
2650
2669
bool password_is_read = false;
2651
2670
const char helper_directory[] = "/nonexistent";
2652
2671
const char *const argv[] = { "/bin/sh", "-c",
2653
"echo -n ${MANDOSPLUGINHELPERDIR}", NULL };
2672
"printf %s \"${MANDOSPLUGINHELPERDIR}\"", NULL };
2655
2674
const bool success = start_mandos_client(queue, epoll_fd,
2656
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&mandos_client_exited,
4179
4198
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4180
4199
const size_t ievent_size = (sizeof(struct inotify_event)
4181
4200
+ sizeof(dummy_file_name));
4201
#if defined(__GNUC__) and __GNUC__ >= 11
4202
#pragma GCC diagnostic push
4203
/* ievent is pointing into a struct which is of sufficient size */
4204
#pragma GCC diagnostic ignored "-Wstringop-overread"
4182
4206
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4183
4207
==, ievent_size);
4208
#if defined(__GNUC__) and __GNUC__ >= 11
4209
#pragma GCC diagnostic pop
4184
4211
g_assert_cmpint(close(pipefds[1]), ==, 0);
4186
4213
bool quit_now = false;
4274
4301
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4275
4302
const size_t ievent_size = (sizeof(struct inotify_event)
4276
4303
+ sizeof(dummy_file_name));
4304
#if defined(__GNUC__) and __GNUC__ >= 11
4305
#pragma GCC diagnostic push
4306
/* ievent is pointing into a struct which is of sufficient size */
4307
#pragma GCC diagnostic ignored "-Wstringop-overread"
4277
4309
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4278
4310
==, ievent_size);
4311
#if defined(__GNUC__) and __GNUC__ >= 11
4312
#pragma GCC diagnostic pop
4279
4314
g_assert_cmpint(close(pipefds[1]), ==, 0);
4281
4316
bool quit_now = false;
4371
4406
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4372
4407
const size_t ievent_size = (sizeof(struct inotify_event)
4373
4408
+ sizeof(dummy_file_name));
4409
#if defined(__GNUC__) and __GNUC__ >= 11
4410
#pragma GCC diagnostic push
4411
/* ievent is pointing into a struct which is of sufficient size */
4412
#pragma GCC diagnostic ignored "-Wstringop-overread"
4374
4414
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4375
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==, ievent_size);
4416
#if defined(__GNUC__) and __GNUC__ >= 11
4417
#pragma GCC diagnostic pop
4376
4419
g_assert_cmpint(close(pipefds[1]), ==, 0);
4378
4421
bool quit_now = false;
4456
4499
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4457
4500
const size_t ievent_size = (sizeof(struct inotify_event)
4458
4501
+ sizeof(dummy_file_name));
4502
#if defined(__GNUC__) and __GNUC__ >= 11
4503
#pragma GCC diagnostic push
4504
/* ievent is pointing into a struct which is of sufficient size */
4505
#pragma GCC diagnostic ignored "-Wstringop-overread"
4459
4507
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4460
4508
==, ievent_size);
4509
#if defined(__GNUC__) and __GNUC__ >= 11
4510
#pragma GCC diagnostic pop
4461
4512
g_assert_cmpint(close(pipefds[1]), ==, 0);
4463
4514
bool quit_now = false;
4540
4591
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4541
4592
const size_t ievent_size = (sizeof(struct inotify_event)
4542
4593
+ sizeof(dummy_file_name));
4594
#if defined(__GNUC__) and __GNUC__ >= 11
4595
#pragma GCC diagnostic push
4596
/* ievent is pointing into a struct which is of sufficient size */
4597
#pragma GCC diagnostic ignored "-Wstringop-overread"
4543
4599
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4544
4600
==, ievent_size);
4601
#if defined(__GNUC__) and __GNUC__ >= 11
4602
#pragma GCC diagnostic pop
4545
4604
g_assert_cmpint(close(pipefds[1]), ==, 0);
4547
4606
bool quit_now = false;
4616
4675
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4617
4676
const size_t ievent_size = (sizeof(struct inotify_event)
4618
4677
+ sizeof(dummy_file_name));
4678
#if defined(__GNUC__) and __GNUC__ >= 11
4679
#pragma GCC diagnostic push
4680
/* ievent is pointing into a struct which is of sufficient size */
4681
#pragma GCC diagnostic ignored "-Wstringop-overread"
4619
4683
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4620
4684
==, ievent_size);
4685
#if defined(__GNUC__) and __GNUC__ >= 11
4686
#pragma GCC diagnostic pop
4621
4688
g_assert_cmpint(close(pipefds[1]), ==, 0);
4623
4690
bool quit_now = false;
4695
4762
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4696
4763
const size_t ievent_size = (sizeof(struct inotify_event)
4697
4764
+ sizeof(dummy_file_name));
4765
#if defined(__GNUC__) and __GNUC__ >= 11
4766
#pragma GCC diagnostic push
4767
/* ievent is pointing into a struct which is of sufficient size */
4768
#pragma GCC diagnostic ignored "-Wstringop-overread"
4698
4770
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4699
4771
==, ievent_size);
4772
#if defined(__GNUC__) and __GNUC__ >= 11
4773
#pragma GCC diagnostic pop
4700
4775
g_assert_cmpint(close(pipefds[1]), ==, 0);
4702
4777
bool quit_now = false;
4780
4855
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4781
4856
const size_t ievent_size = (sizeof(struct inotify_event)
4782
4857
+ sizeof(dummy_file_name));
4858
#if defined(__GNUC__) and __GNUC__ >= 11
4859
#pragma GCC diagnostic push
4860
/* ievent is pointing into a struct which is of sufficient size */
4861
#pragma GCC diagnostic ignored "-Wstringop-overread"
4783
4863
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4784
4864
==, ievent_size);
4865
#if defined(__GNUC__) and __GNUC__ >= 11
4866
#pragma GCC diagnostic pop
4785
4868
g_assert_cmpint(close(pipefds[1]), ==, 0);
4787
4870
bool quit_now = false;
5978
6061
g_test_skip("Skipping EMSGSIZE test: Will not try 1GiB");
5981
free(message_buffer);
5982
message_buffer = malloc(message_size);
6064
message_buffer = realloc(message_buffer, message_size);
5983
6065
if(message_buffer == NULL){
5984
6066
g_test_skip("Skipping EMSGSIZE test");
5985
6067
g_test_message("Failed to malloc() %" PRIuMAX " bytes",
6004
6086
if(saved_errno != EMSGSIZE) {
6005
6087
g_test_skip("Skipping EMSGSIZE test");
6006
g_test_message("Error on send(): %s", strerror(saved_errno));
6088
g_test_message("Error on send(%" PRIuMAX " bytes): %s",
6089
(uintmax_t)message_size,
6090
strerror(saved_errno));
6009
6094
} else if(ssret != (ssize_t)message_size){
6010
6095
g_test_skip("Skipping EMSGSIZE test");
6011
6096
g_test_message("Partial send(): %" PRIuMAX " of %" PRIdMAX
8190
8275
g_option_context_free(context);
8191
8276
return should_run_tests != FALSE;
8283
(if (not (funcall run-tests-in-test-buffer default-directory))
8284
(funcall show-test-buffer-in-test-window)
8285
(funcall remove-test-window)))
8286
run-tests-in-test-buffer:
8288
(with-current-buffer (get-buffer-create "*Test*")
8289
(setq buffer-read-only nil
8290
default-directory dir)
8293
(let ((process-result
8294
(let ((inhibit-read-only t))
8295
(process-file-shell-command
8296
(funcall get-command-line) nil "*Test*"))))
8297
(and (numberp process-result)
8298
(= process-result 0))))
8303
(funcall find-build-directory (buffer-file-name)))
8304
(local-build-directory
8305
(if (fboundp 'file-local-name)
8306
(file-local-name build-directory)
8307
(or (file-remote-p build-directory 'localname)
8310
(file-relative-name (file-name-sans-extension
8311
(buffer-file-name)) build-directory))
8312
(qbdir (shell-quote-argument local-build-directory))
8313
(qcmd (shell-quote-argument command)))
8314
(format (concat "cd %s && CFLAGS=-Werror make --silent %s"
8315
" && %s --test --verbose") qbdir qcmd qcmd)))
8316
find-build-directory:
8317
(lambda (try-directory &optional base-directory)
8318
(let ((base-directory (or base-directory try-directory)))
8319
(cond ((equal try-directory "/") base-directory)
8321
(concat (file-name-as-directory try-directory)
8322
"Makefile")) try-directory)
8323
((funcall find-build-directory
8324
(directory-file-name (file-name-directory
8327
show-test-buffer-in-test-window:
8329
(when (not (get-buffer-window-list "*Test*"))
8330
(setq next-error-last-buffer (get-buffer "*Test*"))
8331
(let* ((side (if (>= (window-width) 146) 'right 'bottom))
8332
(display-buffer-overriding-action
8333
`((display-buffer-in-side-window) (side . ,side)
8334
(window-height . fit-window-to-buffer)
8335
(window-width . fit-window-to-buffer))))
8336
(display-buffer "*Test*"))))
8339
(let ((test-window (get-buffer-window "*Test*")))
8340
(if test-window (delete-window test-window))))
8341
eval: (add-hook 'after-save-hook run-tests 90 t)